food

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Across
  1. 2. Essential gas we breathe
  2. 6. To maintain something in its original state
  3. 8. Systematic investigation into a subject or problem
  4. 9. Make something clear or understandable
  5. 11. Appliance to keep things cool
  6. 13. A yellow tropical fruit
  7. 14. To keep away from something
  8. 16. The process by which plants make their own food using sunlight
Down
  1. 1. Not enjoyable or agreeable
  2. 3. The surroundings or conditions in which a person, animal, or plant lives
  3. 4. The importance of something in relation to the matter at hand
  4. 5. Beneath the surface of the earth
  5. 7. Microorganisms that can cause disease
  6. 10. To wash out or drain away
  7. 12. To develop gradually over time
  8. 15. To make impure or harmful